Szymon Rybczak
Founder of TesterArmy, Test your app with AI, catch bugs before users do
Company
Szymon Rybczak is listed as a founder of TesterArmy. TesterArmy is an AI agent that tests websites and mobile apps. It monitors production on a schedule and runs automatically on every GitHub Pull Request, delivering screenshots, recordings, and actionable bug reports. Describe tests in plain English. The agent handles login flows, OAuth, and OTPs, no scripts to write or maintain. We catch the regressions and UX issues that code review misses.
Founder traction evidence
Public posts and activity attributed directly to this founder.
- LinkedIn
I’ve known Oskar Kwaśniewski for 5 years.
I’ve known Oskar Kwaśniewski for 5 years. We met when I was 15, working at a small Polish company. We had no clue what mobile or React Native really was, but we somehow had two apps to maintain. So we learned it together. Then we both joined Callstack, which was a game changer...
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For anyone working on a React Native or Expo project, this is a really great resource ↓
For anyone working on a React Native or Expo project, this is a really great resource ↓
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pov: you're running a company in 2026
pov: you're running a company in 2026
- LinkedIn
Excited to welcome Weronika Strzelczyk to TesterArmy (YC P26) as our Founding Designer! 🔥 In dev tools, quality and brand are everything. Developers can smell a half-baked product from a mile away… | Szymon Rybczak | 12 comments
Excited to welcome Weronika Strzelczyk to TesterArmy (YC P26) as our Founding Designer! 🔥 In dev tools, quality and brand are everything. Developers can smell a half-baked product from a mile away :) Weronika already redesigned tester.army from the ground up, and now she's...
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Group office hours were one of the best parts of the YC batch! 🧡 Today we had our first one since the YC P26 batch ended.
Group office hours were one of the best parts of the YC batch! 🧡 Today we had our first one since the YC P26 batch ended. So good to sit down with these folks again and chat about blockers, goals and exchange experiences. https://t.co/p0qYkAJBQB
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need to learn more about technical GTM who are the best people to follow? any good materials?
need to learn more about technical GTM who are the best people to follow? any good materials?
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this is what our website looked like a few months ago.
this is what our website looked like a few months ago. just keep showing up ✌️
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Full house today at Lenny’s Newsletter Meetup at @viktor_com HQ in Warsaw! 🇵🇱
Full house today at Lenny’s Newsletter Meetup at @viktor_com HQ in Warsaw! 🇵🇱